Important Charged Particle Collisions

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Discussion Overview

The discussion revolves around the behavior of two charged particles of equal mass and charge as they repel each other and accelerate in opposite directions. Participants explore the implications of this scenario in terms of reference frames, particularly focusing on the nature of acceleration and non-inertial frames.

Discussion Character

  • Exploratory, Technical explanation, Debate/contested

Main Points Raised

  • One participant notes that each particle experiences a Coulombic repulsive force, leading to acceleration, and mentions the time-varying electromagnetic field experienced by each particle as they separate.
  • Another participant questions whether one particle can be considered the other's accelerating frame of reference.
  • A different participant emphasizes that the problem does not specify a reference frame and argues that acceleration can be discussed within an inertial frame, suggesting a distinction between the process of acceleration and the concept of reference frames.

Areas of Agreement / Disagreement

Participants express differing views on the relevance of reference frames in the context of the problem, indicating that there is no consensus on how to interpret the scenario regarding non-inertial frames.

Contextual Notes

The discussion highlights the lack of clarity regarding the assumptions about the reference frame and the implications of acceleration in different frames, which remains unresolved.

decamij
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Important! Charged Particle Collisions

If two charged particles of equal mass and equal charge start from rest, repel, and travel in opposite directions, in what way is this an accelerating (non-inertial frame of reference)?
 
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Each particle is subject to the Coulombic repulsive force, so each particle is accelerating.

[tex]F = k \frac{q_1\,q_2}{r^2}[/tex], were r is the distance between both particles, which of course is changing with time.

Also, as the particles separate, each experiences a time varying EM field from the other particle.
 
So one particle is the other particle's accelerating frame of reference?
 
decamij said:
If two charged particles of equal mass and equal charge start from rest, repel, and travel in opposite directions, in what way is this an accelerating (non-inertial frame of reference)?

The conditions of the problem state nothing about the reference frame. Don't confuse "process" with "reference frame." It's perfectly proper to talk about the acceleration of objects in an inertial frame of reference and, normally, the problem you stated would best be addressed using an inertial frame of reference.
 

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